Sunray SRF618B Fetal Monitor Printer STP411G-320-E 42GT 360 Thermal Print Head Module

Sunray SRF618B Fetal Monitor Printer STP411G-320-E 42GT 360 Thermal Print Head Module

• Product Description

This is a genuine Seiko Instruments (SII) STP411G-320-E thermal print head module, specifically engineered for use in Sunray SRF618B fetal monitors and similar obstetric monitoring devices. The unit features a compact black plastic housing with integrated stepper motor, precision gear train, and multi-colored ribbon cable interface for seamless connection to the host system. Designed for high-resolution waveform printing on thermal paper, it ensures accurate, continuous recording of fetal heart rate and uterine contraction patterns during labor. Its robust construction supports long-term clinical use with minimal maintenance.

• Product Specifications

• The function of the product

This product is used to record real-time waveforms of fetal heart rate and uterine contractions, serving as a critical tool in obstetric clinical assessment to detect abnormalities early and ensure maternal and fetal safety.

Use tips

1. Do not touch the thermal print head surface with bare fingers — oils can degrade print quality.

2. Avoid exposing the module to extreme temperatures or humidity during storage or transport.

3. Never force the ribbon cable connector; misalignment can cause permanent damage.

4. If print quality degrades over time, clean the print head gently with lint-free cloth.

5. This module is not user-serviceable beyond basic replacement — refer to qualified technicians for internal repairs.